4909.13
Additional hearings.

The public utilities commission may cause further hearings and
investigations to be had for the purpose of making revaluations or ascertaining
the value of any betterments, improvements, additions, or extensions made by
any public utility or railroad subsequent to any prior hearing or
investigation, and may examine into all matters which may change, modify, or
affect any finding of fact previously made, and may at such time make findings
of fact supplementary to those previously made. Such hearings shall be had upon
the same notice and be conducted in the same manner, and the findings so made
shall have the same effect, as the original notice, hearing, and findings. Such
findings made at supplemental hearings or investigations shall be considered in
connection with and as a part of the original findings except insofar as such
supplemental findings change or modify the findings made at the original
hearing or investigation.